Kosovo President Hashim Thaci has strongly denounced the killing of a Serb political leader in the northern city of Mitrovica.

Oliver Ivanovic, leader of the Citizens� Initiative Freedom, Democracy, Justice party was shot dead Tuesday morning by still-unknown assailants.

In a public reaction, Thaci called on law enforcement authorities �to throw light as soon as possible on the circumstances of the death so that the perpetrators are brought to justice.�

He also urged citizens in the north to cooperate with police.